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Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Biogas is a methane-rich gas that is produced from the anaerobic digestion of organic
materials in a digester.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Temperature is one of the most important factors that affect biogas
production.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Biogas can be produced by three classes of anaerobes that operate strictly at specific
temperature ranges, outside which gas production is extremely low and uneconomical.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Biogas can be produced by the psychrophiles (< 20?C), mesophiles (20-45?C) and
thermophiles (45-65?C).
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Anaerobic digesters producing biogas can be built below or above the ground.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Anaerobic digesters built underground are not affected by diurnal and seasonal temperature fluctuation since the temperature of the earth below a depth of 1m is
practically constant.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Nomograph for Determining Temperatures in Anaerobic Digesters from Ambient Temperatures in the Tropics
(2007)
T
Philip
I
Itodo
Biogas is a cheap source of energy and energy planners in developing countries are beginning
to emphasize its use.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Production of Fuel Briquettes from Waste Paper and Coconut Husk Admixtures
(2007)
A.
Olorunnisola
Nigeria has abundant supplies of biomass resources, particularly agro-forestry residues and
municipal solid waste, whose potentials are yet to be fully tapped for energy generation.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Production of Fuel Briquettes from Waste Paper and Coconut Husk Admixtures
(2007)
A.
Olorunnisola
Traditionally, wood in form of fuel wood, twigs and charcoal has been the major source of
renewable energy in Nigeria, accounting for about 51% of the total annual energy consumption.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................
Production of Fuel Briquettes from Waste Paper and Coconut Husk Admixtures
(2007)
A.
Olorunnisola
The decreasing availability of fuel wood, coupled with the ever-rising prices of kerosene and
cooking gas in Nigeria, draw attention to the need to consider alternative sources of energy for
domestic and cottage level industrial use in the country.
Agricultural Engineering International : the CIGR Ejournal
Electronic
Agriculture
...............................................................



